89 lines
2.6 KiB
Rust
89 lines
2.6 KiB
Rust
use crate::camera::Camera;
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use crate::hitable::Hit;
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use crate::hitable_list::HitableList;
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use crate::kdtree::KDTree;
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use crate::material::Dielectric;
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use crate::material::Lambertian;
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use crate::material::Metal;
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use crate::moving_sphere::MovingSphere;
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use crate::renderer::Opt;
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use crate::renderer::Scene;
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use crate::sphere::Sphere;
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use crate::texture::CheckerTexture;
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use crate::texture::ConstantTexture;
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use crate::texture::Texture;
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use crate::vec3::Vec3;
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pub fn new(opt: &Opt) -> Scene {
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let lookfrom = Vec3::new(3., 4., 2.);
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let lookat = Vec3::new(0., 0., -1.);
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let dist_to_focus = (lookfrom - lookat).length();
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let aperture = 0.1;
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let time_min = 0.;
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let time_max = 0.;
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let camera = Camera::new(
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lookfrom,
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lookat,
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Vec3::new(0., 1., 0.),
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45.,
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opt.width as f32 / opt.height as f32,
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aperture,
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dist_to_focus,
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time_min,
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time_max,
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);
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let ground_color: Box<dyn Texture> = if opt.use_accel {
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Box::new(CheckerTexture::new(
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ConstantTexture::new([0., 0., 0.]),
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ConstantTexture::new([1.0, 0.4, 0.4]),
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))
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} else {
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Box::new(ConstantTexture::new(Vec3::new(0.4, 1.0, 0.4)))
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};
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let objects: Vec<Box<dyn Hit>> = vec![
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//let world: Box<Hit> = Box::new(HitableList::new(vec![
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Box::new(Sphere::new([1., 0.5, 1.], 0.5, Dielectric::new(1.5))),
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Box::new(Sphere::new(
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Vec3::new(0., 0., -1.),
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0.5,
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Lambertian::new(ConstantTexture::new(Vec3::new(0.1, 0.2, 0.5))),
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)),
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Box::new(Sphere::new(
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Vec3::new(0., -1000.5, -1.),
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1000.,
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Lambertian::new(ground_color),
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)),
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Box::new(Sphere::new(
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Vec3::new(1., 0., -1.),
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0.5,
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Metal::new(Vec3::new(0.8, 0.6, 0.2), 0.2),
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)),
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Box::new(MovingSphere::new(
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Vec3::new(-1., 0., -1.25),
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Vec3::new(-1., 0., -0.75),
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0.5,
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0.,
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1.,
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Lambertian::new(ConstantTexture::new(Vec3::new(0.2, 0.8, 0.2))),
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)),
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];
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let world: Box<dyn Hit> = if opt.use_accel {
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Box::new(KDTree::new(objects, time_min, time_max))
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} else {
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Box::new(HitableList::new(objects))
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};
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Scene {
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camera,
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world,
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subsamples: opt.subsamples,
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adaptive_subsampling: None,
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// adaptive_subsampling: Some(0.5),
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num_threads: opt.num_threads,
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width: opt.width,
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height: opt.height,
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global_illumination: true,
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..Default::default()
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}
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}
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